Question 3 please I need it rn

Consider the table below. x y -1 -5 0 5 1 11 2 13 3 11 complete the standard form equation representing the quadratic relationship displayed above, where a, b, and c are constants.

Answer this question! 30 points and brainliest! only if you know the answer.

The table represents a linear function. what is the slope of the function? –6 –4 4 6